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W.T.G.S.L. Withana

 

Research Scientist

Biotechnology Unit

 

Qualifications

   B.Sc. (Hons) – Agriculture, Second class Honors , Specialized in Plant Genetics 

       and  Molecular Biology, (University of Ruhuna , 2011)

Contacts

Tel: 94 011 2379800 Ext: 496 ; Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

 

Specialized Fields

 Genetics   and Molecular Biology

Interest Areas

Recombinant DNA Technology

QTL Analysis

Bio Marker designing & Analysis          

                                                                                           

Publications

Publications

 

  1. Withana S.L., Ratnasekera Disna, Samarasinghe W.L.G. Morphological Evaluation and Molecular screening for Drought Resistance for rice (Oryza sativa L.) 03rd International Symposium south Eastern University of Sri Lanka,Proceedings,2013 vol.1 (page 92-96).
  2. Withana SL, Samarasinghe WLG, Ratnasekera Disna, Senanayake SGJN,         Morphological Evaluation and Molecular screening for Drought Resistance for rice (Oryza sativa L.) 09th Acedemic Session, University of Ruhuna, 2012.
  3. Talwatta VN, Rodrigo WWP, Achala HHK, Withana WTGSL, Athapaththu AMMH, Gunathilaka PADHN, Optimization of a DNA extraction method to isolate DNA from processed food samples for the detection of Genetically Modified (GM) Food., Biennial Research Symposium -2015, ITI, Sri Lanka.
  4. Talwatta, V.N., Rodrigo, W.W.P., Achala, H.H.K., Withana, W.T.G.S.L., Athapaththu, A.M.M.H. and Bulumulla, P.B.A.I.K. (2016). Optimization of A Polymerase Chain Reaction Based Technique to Detect Genetically Modified Foods. Proceedings of the 6th Research Symposium of Uva Wellassa University of Sri Lanka, 1.
  5. Ratherfer, B., Bandara, K.G.W.W., Achala, H.H.K. and Withana, W.T.G.S.L. (2016). Agrobacterium tumefaciens mediated in planta transformation of Bg 94-1 rice (Oriza sativa L. ssp. indica). Proceedings of the 36th annual sessions of the Institute of Biology, 41.
  6. Delpachithra, H.D., Munasinghe, M., Withana, W.T.G.S.L., & Rodrigo, W.W.P. (2017). Transformation and screening of lysine rich transgenic rice plants. Third Symposium of Uni-In Alliance 2017, University of Sri Jayewardenepura, 92.
  7. Delpachithra, H.D., Rodrigo, W.W.P. & Withana, W.T.G.S.L. (2017). Regeneration of ferritin rich transgenic rice plants using in-planta transformation method. Proceedings of the Postgraduate Institute of Science Research Congress 2017 (RESCON 2017), University of Peradeniya, 74.
  8. Dabare, E.S.S., Withana, W.T.G.S.L., Athapaththu, A.M.M.H. & Rodrigo, W.W.P. (2017). Conventional Duplex PCR: A reliable & sensitive tool for detection of bovine and porcine DNA in gelatin containing food and pharmaceutical products. Industrial Technology Institute, Sri Lanka, 3rd Biennial Research Symposium, 35-36.
  9. Madampage, J.O., Withana, W.T.G.S.L., Rodrigo, W.W.P., Athapaththu, A.M.M.H. (2017). Evaluation of methods for the extraction of genomic DNA from processed dairy foods. Industrial Technology Institute, Sri Lanka, 3rd Biennial Research Symposium, 37-38.
  10. Gamage, R.K.J., Jahufer Ali, A.F., Withana, W.T.G.S.L., Attanayake, A.M.A.S. & Athapaththu, A.M.M.H. (2017). Optimization of PCR Amplification of Chloroplast Gene Regions of Selected Endemic Plants for Plant DNA Barcoding and Conservation. Industrial Technology Institute, Sri Lanka, 3rd Biennial Research Symposium, 39-40.
  11. Rupasinghe, R.A.L., Withana W.T.G.S.L., Rodrigo, W.W.P. & Athapaththu, A.M.M.H. (2018). Detection of Species adulterations in canned Tuna products in Sri Lanka. Vingnanam International Research Conference – 2018 (VIRC 2018), Faculty of Science, University of Jaffna, Sri Lanka.27.
  12. Lakshika, G., Rodrigo, W.W.P., Withana W.T.G.S.L. &  Kapuruge T.N. (2018). Development of a polymerase chain reaction based method for the detection of adulterations in chicken and turkey meat products. Vingnanam International Research Conference – 2018 (VIRC 2018), Faculty of Science, University of Jaffna, Sri Lanka.22.
  13. Benedict, Mare.D., Athapaththu, A.M.M.H., & Withana W.T.G.S.L. (2018) Detection of genetically modified (GM) food items in the market using real time PCR (RT-PCR) based assay. Vingnanam International Research Conference – 2018 (VIRC 2018), Faculty of Science, University of Jaffna, Sri Lanka. 2
  14. Lavensan R.D.B., Niroshana N.P.S.K., Achala H.H.K., Rodrigo W.W.P.,  Withana, W.T.G.S.L., Attanayake, A.A.M.A.S., Samaresekera J.K.R.R., Athapaththu A.M.M.H.(2018). Plant DNA barcoding ofrbcL gene for eight endemic plant species of Dipterocarpaceae family for authentication.Proceedings of the 38th annual sessions of the institute of biology, Sri Lanka-2018. pp 62.

Major Projects Undertaken

  • Iron fortification of rice seeds using soya bean ferritin gene
  • Expression of lysine rich protein SBgLR gene in rice seed
  • Establishment of rice percentage in wheat/rice bread
  • Development of a molecular based assay for differentiate Thunnus obesus (big eye tuna) and Thunnus albacores (yellow fin tuna
  • Development of molecular based testing for Genetically modified food items and diagnostic tests for food borne pathogens

 

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